KG4CRX
Active2x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderAyres, Christopher B
License ClassTechnician
Min. Class RequiredTechnician
LocationColorado Springs, CO
Grant DateApr 21, 2026
Expiration DateApr 21, 2036
KG4CRX is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Ayres, Christopher B in Colorado Springs, CO. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Ayres, Christopher B on Apr 1, 2026. KG4CRX has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- --. ....- -.-. .-. -..-
CW Weight: 42 units(Heavy (slower to send))
Voice Phonetics
Kilo Golf Four Charlie Romeo X-ray
Readability: 7.5/10(High readability)
License History
- License IssuedApr 21, 2026
- Vanity Callsign GrantedApr 21, 2026
- License ExpiredApr 6, 2021
- License RenewedJan 12, 2009
- License ModifiedAug 1, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.